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© 2013 Exar Corporation 

5/7 

Rev. 1.0.0 

BILL OF MATERIAL 

 

Reference

Qty.

Manufacturer

Manufacturer

Size

Component

Designator

Part Number

PCB

1

Exar

XRP6141EVB

XRP6141 Evaluation kit

U1

1

Exar

XRP6141

QFN-16

Constant On-Time Buck controller

MT

1

FAIRCHILD

FDMS7578

Power SO-8

N-Ch. 25V, 5.8mOhm MOSFET

MB

1

FAIRCHILD

FDMS7650DC

Power SO-8

N-Ch. 30V, 100A, 0.99mOhm, MOSFET

D1

1

ON SEMI

MMSZ4699T1G

SOD-123

Diode Zener 12V, 500MW, 

L1

1

VISHAY-DALE

IHLP5050FDERR47M01

13.2x12.9mm

Shielded inductor, 0.47uH, 1m

, 41A

C1-C4

4

MURATA

GRM32ER71E226KE15L

1210

CERAMIC CAP., 22uF, 25V, X7R, 10%

C5

0

DONT POPULATE

---

---

---

C6-C9

4

PANASONIC

2R5TPE330M7

7.3X4.3X1.8mm

TANTALUM CAP., 330uF, 2.5V, 2917

C10-C13

0

DONT POPULATE

---

---

---

CBST

1

MURATA

GRM188R71C105KA12D

0603

CERAMIC CAP. , 1uF, 16V, X7R, 10%

CFF

1

MURATA

GRM188R71H561KA01D

0603

CERAMIC CAP , 0.56nF, 50V, X7R, 10%

CIN

1

MURATA

GRM188R71H104KA93D

0603

CERAMIC CAP., 0.1uF, 50V, X7R, 10%

CVCC

1

MURATA

GRM21BR71C475KA73L

0805

CERAMIC AP. , 4.7uF, 16V, X7R, 10%

CSS

1

MURATA

GRM188R71H473KA61D

0603

CERAMIC CER, 47nF, 50V, X7R, 10%

Csnub

1

MURATA

GRM188R71H682KA01D

0603

CERAMIC CER, 6.8nF, 50V, X7R, 10%

R1, R2, R4

3

PANASONIC

ERJ-3EKF1002V

0603

Resistor 10

k

, 1/10W, 1%, SMD

R3, RBST

2

PANASONIC

ERJ-3GEY0R00V

0603

Resistor 0

Ω, Jumper SMD

R5

0

DONT POPULATE

---

---

---

R9

1

PANASONIC

ERJ-3EKF2491V

0603

Resistor 2.49K Ohm, 1/10w, 1%, SMD

R6

1

PANASONIC

ERJ-3EKF2001V

0603

Resistor 2K Ohm, 1/10W, 1%, SMD

R7

1

PANASONIC

ERJ-3EKF6041V

0603

Resistor 6.04K Ohm, 1/10W, 1%, SMD

R8

1

PANASONIC

ERJ-3EKF1001V

0603

Resistor 1K Ohm, 1/10W, 1%, SMD

RLIM

1

PANASONIC

ERJ-3EKF1821V

0603

Resistor 1.82k, 1/10W, 1%, SMD

RON

1

PANASONIC

ERJ-3EKF1182V

0603

Resisrtor 11.8K Ohm ohm, 1/10W,1%, SMD

Rsnub

1

PANASONIC

ERJ-6RQF1R0V

0805

Resisrtor 1.0 Ohm, 1/8W,1%, SMD

J1

1

Wurth Elektronik

61300311121

3-PIN CONNECTOR

VIN+, VIN-, VOUT+, VOUT- 4

POMONA

3267

1/4-32

Banana Jack 

T3/T4, T5/T6, T7/T8, 

AGND/VCC

8

Wurth Elektronik

61300211121

DUAL TEST POINT

T1, T2, T9, T10, PWERGD, 

EN/MODE

6

Wurth Elektronik

61300111121

SINGLE Test Point Post

STAND1, STAND 2

2

Keystone

4-40 X 1/2

STANDOFF

Summary of Contents for XRP6141

Page 1: ...ver current over temperature short circuit and UVLO help achieve safe operation under abnormal operating conditions E EV VA AL LU UA AT TI IO ON N B BO OA AR RD D M MA AN NU UA AL L FEATURES 35A Capab...

Page 2: ...tage is raised above 3 0V then the IC will operate in DCM or CCM depending on load TON 8 Constant on time programming pin Connect with a resistor to AGND SS 9 Soft Start pin Connect an external capaci...

Page 3: ...te the output at 1 2V Rated output current is 25A Overcurrent protection should trigger at about 34A JUMPER J1 With the jumper set at CCM position the converter will operate in Forced CCM at VIN 12V 1...

Page 4: ...8 AGND 13 VIN 14 VCC 15 PGND 16 EXPAD 17 VCC 1 2V 0 25A 12V Csnub 6 8nF C1 22uF CVCC 4 7uF VOUT T1 PWRGD C1 C2 C3 C4 CERAMIC 1210 X7R C2 22uF VOUT L1 IHLP 5050FD 01 0 47uH 41A 1mOhm C3 22uF C4 22uF R1...

Page 5: ...A GRM188R71H104KA93D 0603 CERAMIC CAP 0 1uF 50V X7R 10 CVCC 1 MURATA GRM21BR71C475KA73L 0805 CERAMIC AP 4 7uF 16V X7R 10 CSS 1 MURATA GRM188R71H473KA61D 0603 CERAMIC CER 47nF 50V X7R 10 Csnub 1 MURATA...

Page 6: ...yn nc ch hr ro on no ou us s S St te ep p D Do ow wn n C CO OT T C Co on nt tr ro ol ll le er r 2013 Exar Corporation 6 7 Rev 1 0 0 EVALUATION BOARD LAYOUT Fig 3 Component Placement Top Side Fig 4 Bot...

Page 7: ...uits described herein conveys no license under any patent or other right and makes no representation that the circuits are free of patent infringement Charts and schedules contained here in are only f...

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